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Serializable

sun par
Ranch Hand

Joined: Oct 03, 2002
Posts: 257
All interfaces have public methods by default. So why in the case of Serializable interface one has to provide the exact methods


Thanks


Sunita<br />SCJP 1.4
Michael Morris
Ranch Hand

Joined: Jan 30, 2002
Posts: 3451
Serializable has no methods. It is a tagging interface only. From the API docs:
Serializability of a class is enabled by the class implementing the java.io.Serializable interface. Classes that do not implement this interface will not have any of their state serialized or deserialized.
Michael Morris


Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius - and a lot of courage - to move in the opposite direction. - Ernst F. Schumacher
Greg Charles
Sheriff

Joined: Oct 01, 2001
Posts: 2849
    
  11

As Michael say, Serializable has no methods. You don't have to do anything to implement Serializable (other than say you are doing it). However, if you want to control the serialization and deserialization in a different way from the default, you implement those writeObject() and readObject() methods. In practice you don't have to do that very often.
 
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subject: Serializable